Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 38, Issue 2, Pages 185-193Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2019.2944558
Keywords
Optical transmitters; Semiconductor optical amplifiers; Passive optical networks; Optical fiber amplifiers; Bandwidth; Optical fiber dispersion; Optical attenuators; Digital signal processing; directly modulated laser; four-level amplitude modulation; loss budget; semiconductor optical amplifiers; standards; time-wavelength-division-multiplexed passive optical networks
Funding
- National Key Research and Development Program of China [2018YFB1801703]
- Natural National Science Foundation of China [61527801, 61675048, 61720106015, 61835002, 61805043]
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We experimentally demonstrate the downstream transmission of a 100 Gb/s/lambda time division multiplexed passive optical network (TDM-PON) based on four-level pulsed amplitude modulation (PAM-4) in the O-band using 10 Gbps transmitters with semiconductor optical amplifier (SOA) and digital signal processing (DSP) at the receiver. Considering the soft-decision FEC (SD-FEC) threshold (1 x 10(-2)), power budget of 30.3 dB and 29.3 dB have been achieved after 22 km and 50 km fiber transmission, respectively. There is no observable dispersion penalty after 22 km and 50 km transmission. The possibility of 100 Gb/s/lambda PON is first investigated using intensity modulation and direct detection (IM/DD) schemes rather than coherent detection schemes.
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